2791567989

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{10949}}^1$

素因数の和:11055

約数の個数: 64

約数和(自身を含む): 5045760000

約数和(自身を除く): 2254192011

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 71, 133, 171, 189, 213, 399, 497, 513, 639, 1197, 1349, 1491, 1917, 3591, 4047, 4473, 9443, 10949, 12141, 13419, 28329, 32847, 36423, 76643, 84987, 98541, 208031, 229929, 254961, 295623, 624093, 689787, 777379, 1456217, 1872279, 2069361, 2332137, 4368651, 5441653, 5616837, 6996411, 13105953, 14770201, 16324959, 20989233, 39317859, 44310603, 48974877, 103391407, 132931809, 146924631, 310174221, 398795427, 930522663, 2791567989]

約数ペア:

[(1, 2791567989), (3, 930522663), (7, 398795427), (9, 310174221), (19, 146924631), (21, 132931809), (27, 103391407), (57, 48974877), (63, 44310603), (71, 39317859), (133, 20989233), (171, 16324959), (189, 14770201), (213, 13105953), (399, 6996411), (497, 5616837), (513, 5441653), (639, 4368651), (1197, 2332137), (1349, 2069361), (1491, 1872279), (1917, 1456217), (3591, 777379), (4047, 689787), (4473, 624093), (9443, 295623), (10949, 254961), (12141, 229929), (13419, 208031), (28329, 98541), (32847, 84987), (36423, 76643)]